diff --git a/Dockerfile b/Dockerfile
index ebda013..9e011bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,6 +41,7 @@ RUN \
     gcc \
     iptables \
     jq \
+    lsof \
     make \
     nodejs \
     nvidia-docker2 \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 74a9879..52cc540 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -41,6 +41,7 @@ RUN \
     gcc \
     iptables \
     jq \
+    lsof \
     make \
     nodejs \
     nvidia-docker2 \